Using the ESP32’s capacitive touch capability, you can create a bed occupancy sensor on the cheap using ESPHome.
The ESP32’s Bluetooth capabilities are useful for projects such as room presence detection.
ESP32 Wi-Fi Development Board
$6.50
The ESP32 is the successor to the ESP8266 board.
It has several additional features, such as
- Bluetooth
- Capacitive Touch Sensor
- Hall Effect Sensor
79 in stock
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